Product name: smart detection watch Display: 1.92-inch HD touch screen Wristband material: environmentally friendly TPU Product size: 260MM (wristband) 35*12MM Gravity sensor: Roma KXTJ3-1057 Heart rate blood oxygen chip: OSRAM SFH2201 GH3220 analog front end ECG chip: GH3220 Bluetooth version: BT 5.0 Battery capacity: high molecular polymer 280MAH Charging mode: magnetic charging (with protection) Product features: waterproof, step counting, heart rate monitoring, blood pressure measurement, social entertainment, intelligent reminder, sleep monitoring, blood oxygen detection, etc Endurance: 7-14 days Specifications: 1.1.92 inch rounded touch real color screen, seamlessly bonded with 2.5D curved tempered glass, with more delicate and clear display and more natural vision. 2. Tempered glass mirror, transparent and wear-resistant, not easy to leave marks in daily friction and bump, zinc alloy watch frame, with comfortable back shell, light and strong, scratch-resistant and wear-resistant from the watch and inside 3. Non-invasive measurement, real-time control of blood sugar, 24-hour heart rate monitoring, support [high heart rate alarm], 24-hour all-day heart rate monitoring always pay attention to health 4. Blood pressure monitoring, using high-performance PPG optical sensor independently developed optimization algorithm to accurately measure and record your blood pressure 5. A variety of sports modes, support running, cycling, hiking and other sports modes, more real-time monitoring of exercise in the heart rate, distance, speed and heat consumption and other important data 6. A variety of dial, cloud dial push free switch Package Included: 1 * Smart Watch 1 * Charger 1 * chest patch 1 * ECG band 1 * Instruction or Heart Rate Belt